Modern science and technology has munication between people far apart.
A. made convenient
B. made it convenient
C. made it convenient for
D. made it convenient to
网友回答
(答案→)A. made convenient
B. made it convenient
C. made it convenient for
D. made it convenient to
解析：题目中has made是谓语，munication between people far apart短语是宾语，convenient是宾语的补语，被前置。如用B项,it是形式宾语代替不定式或从句。